2. FEATURE LIST
3. CONTROL ELEMENTS
3.1 The Front Panel
1. INTRODUCTION
Thank you very much for expressing your confidence in LTO products by purchasing our X23SW Active
crossover. With the X23SW you have acquired an extremely musical and flexible Active Crossover.
The LTO X23SW Active Crossover is a single rack unit, three channels electronic crossover capable of
managing the frequency control for stereo 2-way speaker systems. The X23SW Active is an idealCrossover
crossover solution for most small and large PA systems, live sound venues, commercial recordinginstallations
studio monitors and DJ set-ups. In addition to its flexibility in configuring to systems, thedifferent sound
X23SW Active Crossover has advanced features such as Clip LED Indicators alization, andCD Horn Equ,
individual Phase and Mute switches per frequency band.
The X23SW Active Crossover is an effective and efficient electronic crossover solution, which will give you
precise control and superior sound from your loudspeaker system.
4
1
2
4
2
3
8
2
5
3
6
7
2
4
5
LOW GAIN
XOVER FREQ
POWER
2-WAY STEREO
CROSSOVER
PLUS SUBWOOFER
X23SW
ON
OFF
OFF
+ 10
4.1K
1.7K880
390
250
6K
OFF
+ 10 +
OFF
10
230
170120
70
50
250
OFF
+ 10
OFF
10
4.1K
1.7K880
390
250
6K
30HZ CUT
HIGH GAIN PHASE SUB GAIN
XOVER FREQ
30HZ CUT 30HZ CUT
LOW GAIN HIGH GAIN PHASE
ON
OFF
ON
OFF
ON
OFF
CHANNEL 1
XOVER FREQ
CHANNEL 2SUB WOOFER
R
LTO
1. Power Switch
This switch powers up and powers down this Crossover.
Caution: Always turns the Crossover on before the amplifier, and turns it off after the amplifier, other-
wise, transients harmful to the speakers may result.
2. L/H Output Level Controls
These controls are used to adjust the output level of each Frequency Band: Low and High.
5. Phase Switches
These allow switching the polarity to invert the signal phase in the High Frequency Band. This is done
to correct audible phase problems after the output levels being proper adjustment.
Caution: Before pressing the Phase Switches, always lower the outputs of your power amplifier to
avoid possible speaker damage.
4. Crossover Frequency Controls
These controls select the crossover frequencies of the Low and High Frequency Band. They present with
a Low cut for the High Frequencies and a High cut for the Low frequencies, you can select the crossover
Frequencies between 250Hz and 6kHz.
3. 30Hz Low Cut Switches
to prevent any low frequency speaker resonance.
6. Sub Crossover Frequency Control
This control select the crossover frequencies of the Subwoofer Frequency Band. You can select the
crossover frequencies between 50Hz and 250Hz.
Single Rack Unit ( 1U)
Robust and Compact Design
Phase Inversion Switches for High Frequency Band
30Hz Low Cut for Subwoofer & Low Frequency Band
Servo-Balanced XLR and Unbalanced 1/4" Inputs/ Unbalanced 1/4" Outputs
Subwoofer Output
State-Variable 12dB/Octave (2nd order ) Filters
Top Audio Performances With High Slew Rate Circuity and over 115dB Dynamic Range for Transparent Sound
Shielded Internal Power Supply with AC Voltage Selectable (AC95-120V~60Hz or 210-240V~50Hz)
Manufactured Under ISO9001 Certified Management System
These inserted 30Hz Low Cut filters in the Low Frequency Band of each channel with a 12dB/Octave,
are used to minimize problems from subsonic frequencies in the signal, to suppress Hum noise, and
